000 00304pam a2200109a 44500
082 _aTR
_bIC-9313
100 _aGary P. Sames
245 1 _aRoof control of stress-relief jointing near out crops in central appalachian drifft coal mines
260 _a
_b
_c
700 _aNoel N. Moebs
997 _aTR6538 C
999 _c405744
_d405744